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-rw-r--r--src/Fl.cxx2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/Fl.cxx b/src/Fl.cxx
index 6fe61c039..86031d5b2 100644
--- a/src/Fl.cxx
+++ b/src/Fl.cxx
@@ -708,7 +708,7 @@ int Fl::handle(int e, Fl_Window* window)
// and then try a shortcut with the case of the text swapped, by
// changing the text and falling through to FL_SHORTCUT case:
- {char* c = (char*)event_text(); // cast away const
+ {unsigned char* c = (unsigned char*)event_text(); // cast away const
if (!isalpha(*c)) return 0;
*c = isupper(*c) ? tolower(*c) : toupper(*c);}
e_number = e = FL_SHORTCUT;